In a triangle \( A B C \), if \( a=2, B=60^{\circ} \) and \( C=75^{\circ} \), then \( b= \) (A) ...

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In a triangle \( A B C \), if \( a=2, B=60^{\circ} \) and \( C=75^{\circ} \), then \( b= \)
(A) \( \sqrt{3} \)
(B) \( \sqrt{6} \)
(C) \( \sqrt{9} \)
(D) \( 1+\sqrt{2} \)
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